结构Structure

全玻璃双管同轴结构

Entire glass double barrel coaxial structures

材料Material

高硼硅3.3特硬玻璃

Glass tube material: borosilicate glass 3.3

外观直径

Appearance diameter

Φ47±0.7mm  &=1.6mm Φ58±0.7mm  &=1.6mm

内管直径

Inner tube diameter

Φ37±0.7mm  &=1.6mm Φ47±0.7mm  &=1.6mm

规格长度

Specification length

47-1500mm/1600mm/1800mm

58-1500mm/1600mm/1800mm/2000mm/2100mm

吸收涂层性能

Absorption coating performance

SS-C/Cu选择性复合吸收膜层

Selective absorber coating material: ss-c/cu

吸收率    0.88~0.90

Solar absorption efficiency：0.88~0.90

真空度

Air-drying temperature

P≤2×10¯³ (Pa)

空晒性能参数

Maximum stagnation temperature

Y=250℃

平均热损系数

Average heat loss coefficient

ULT=0.4~0.6w/(㎡.℃)

抗冰雹性能

Anti-hail performance

≤ 25mm